diff --git a/fmt/buildall.sh b/fmt/buildall.sh
new file mode 100755
index 000000000..e42fbd196
--- /dev/null
+++ b/fmt/buildall.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+# 
+# Unlike the DOS batch files, this script is much more powerful.
+# In fact, this script BUILDs the DOS batch files.
+# 
+# NTS: Make sure your editor uses unix LF endings in the file,
+#      but keeps the CR LF DOS endings for the DOS batch files.
+
+cat >buildall.bat <<_EOF
+@echo off
+
+set WHAT=make
+if "%1" == "clean" set WHAT=clean
+
+_EOF
+cat >clean.bat <<_EOF
+@echo off
+if exist *.map del *.map
+if exist *.obj del *.obj
+if exist *.sym del *.sym
+if exist *.exe del *.exe
+_EOF
+for i in *; do if [ -d "$i" ]; then
+    (cd $i && (
+        cp -vu ../buildall.sh buildall.sh || exit 1
+
+        if [ -x buildall.sh ]; then
+            echo Building: $i
+            ./buildall.sh $* || exit 1
+
+            cat >>../buildall.bat <<_EOF
+echo Building: $i
+cd $i
+call buildall.bat %WHAT%
+cd ..
+
+_EOF
+        fi
+
+        if [ -x make.sh ]; then
+            ./make.sh $* || exit 1
+
+            echo Building: $i
+            cat >>../buildall.bat <<_EOF
+echo Building: $i
+cd $i
+call make.bat %WHAT%
+cd ..
+
+_EOF
+        fi)
+    ) || exit 1
+fi; done
+
+cat >>buildall.bat <<_EOF
+echo All done
+_EOF
+
diff --git a/fmt/omf/linux-host/buildall.sh b/fmt/omf/linux-host/buildall.sh
new file mode 100755
index 000000000..e42fbd196
--- /dev/null
+++ b/fmt/omf/linux-host/buildall.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+# 
+# Unlike the DOS batch files, this script is much more powerful.
+# In fact, this script BUILDs the DOS batch files.
+# 
+# NTS: Make sure your editor uses unix LF endings in the file,
+#      but keeps the CR LF DOS endings for the DOS batch files.
+
+cat >buildall.bat <<_EOF
+@echo off
+
+set WHAT=make
+if "%1" == "clean" set WHAT=clean
+
+_EOF
+cat >clean.bat <<_EOF
+@echo off
+if exist *.map del *.map
+if exist *.obj del *.obj
+if exist *.sym del *.sym
+if exist *.exe del *.exe
+_EOF
+for i in *; do if [ -d "$i" ]; then
+    (cd $i && (
+        cp -vu ../buildall.sh buildall.sh || exit 1
+
+        if [ -x buildall.sh ]; then
+            echo Building: $i
+            ./buildall.sh $* || exit 1
+
+            cat >>../buildall.bat <<_EOF
+echo Building: $i
+cd $i
+call buildall.bat %WHAT%
+cd ..
+
+_EOF
+        fi
+
+        if [ -x make.sh ]; then
+            ./make.sh $* || exit 1
+
+            echo Building: $i
+            cat >>../buildall.bat <<_EOF
+echo Building: $i
+cd $i
+call make.bat %WHAT%
+cd ..
+
+_EOF
+        fi)
+    ) || exit 1
+fi; done
+
+cat >>buildall.bat <<_EOF
+echo All done
+_EOF
+